Fish farming impacts summary

based on exam mark scheme

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  • Fish farming impacts
    • energy inputs (heating, cooling etc) --> CO2
    • escapee fish more violent, can out compete wild fish, pest of escapees can spread
    • habitat damage in construction (wetlands/mangroves)
      • loss of biodiversity
    • organic and inorganic nutrient pollution from faeces/waste food
      • algae bloom, deoxygenat-ion
    • pesticide pollution eg control of weed growth
    • food for fish causes overfishing, by catch, env damage of catching (trawling etc)
    • air miles -> CO2

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